Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effects of Organic Materials, Chitosan, Wood Vinegar, and EM Active Solution on Soil Microbial and Growth in Chinese Cabbage

유기농자재인 키토산, 목초액 및 EM 활성액의 처리에 따른 배추의 생육과 토양 미생물상에 미치는 영향

  • Jeong, Soon-Jae (College of Natural Resources and Life Science, Dong-A University) ;
  • Cho, Mi-Yong (College of Natural Resources and Life Science, Dong-A University) ;
  • Seok, Woon-Young (College of Natural Resources and Life Science, Dong-A University) ;
  • Lee, Sang-Lok (College of Engineering, Dong-A University) ;
  • Lee, Hyoung-Joo (Monsanto Korea, INC.) ;
  • Oh, Ju-Sung (College of Natural Resources and Life Science, Dong-A University)
  • 정순재 (동아대학교 생명자원과학대학) ;
  • 조미용 (동아대학교 생명자원과학대학) ;
  • 석운영 (동아대학교 생명자원과학대학) ;
  • 이상록 (동아대학교 공과대학) ;
  • 이형주 (몬산토 코리아) ;
  • 오주성 (동아대학교 생명자원과학대학)
  • Received : 2011.02.14
  • Accepted : 2011.04.05
  • Published : 2011.04.30
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Abstract

This study was conducted to investigate the effects of organic materials, chitosan, wood vinegar, and EM active solution, on soil microbial and growth in Chinese cabbage. The organic materials were treated with chitosan, wood vinegar, and EM (effective microoganism) active solution, and the treatment concentration was 100 times solution and 1,000 times solution level with foliar application. The results are summarized as follows: Among foliar application of organic materials treatment plot[?], with 1,000 times solution level of chitosan was effective in inhibiting microbial growth in Chinese cabbage compared to other plots and control. The microorganism number in the soil for cultivation of Chinese cabbage increased with organic materials treatment plot as compared with control. Especially, 1,000 times solution level of chitosan showed the most significant effect.

본 연구에서는 유기농자재인 키토산, 목초액 및 EM 활성액 등을 공시재료로, 배추 정식 전에 100배액 토양관주 처리하고, 배추 정식 후 15일 간격으로 엽면살포 농도를 100배액과 1,000배액으로 3회 엽면살포한 후 배추의 생육 및 토양 미생물상의 변화에 대해 분석하였다. 유기농자재 처리에 따른 배추의 생육특성은 대조구에 비해 유기농자재 처리구에서 생육이 양호하게 나타났으며, 유기농자재 간에는 키토산 처리구에서 양호하였고, 특히 키토산 1,000배액 처리구에서 생육이 양호하였으며, 주중이 5.60 kg으로 가장 무거웠다. 유기농자재 처리에 따른 토양 미생물상 변화는 대조구에 비해 유기농자재 처리구에서 세균, 트리코데마 및 방선균수은 증가한 경향을 보였고, 사상균수는 약간 감소한 경향을 보였으나 처리간 일정한 경향은 없었다. 유기농처리구 간에는 키토산 1,000 배액 처리구에서 세균, 트리코데마 및 방선균수가 가장 많이 증가하였다.

Keywords

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